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A204449 as a simple table

na(n)
04
12
28
317
484
5177
6737
71857
87732
919457
1078223
11203777
12809145
132134017
148349013
1522347777
1686533892
17234029057
18897748577
192450784257
209328491339
2125664946177
2297021416973
23268766806017
241009936510009
252814562533377

[4,2,8,17,84,177,737,1857,7732,19457,78223,203777,
 809145,2134017,8349013,22347777,86533892,
 234029057,897748577,2450784257,9328491339,
 25664946177,97021416973,268766806017,
 1009936510009,2814562533377]